Ground brush for vacuum cleaner and vacuum cleaner with the same

ABSTRACT

A ground brush ( 1 ) for a vacuum cleaner includes a ground brush body ( 10 ), a brushroll ( 301 ) and a brushroll cover ( 20 ), wherein the ground brush body ( 10 ) is provided with a mounting groove ( 11 ) which has an upper opening and a lower opening in communication with each other; the brushroll ( 301 ) is rotatably mounted in the mounting groove ( 11 ); and the brushroll cover ( 20 ) covers the brushroll ( 301 ), and has a first end inserted in the ground brush body ( 10 ) and a second end snapped into the ground brush body ( 10 ).

CROSS-REFERENCE TO RELATED APPLICATION

This application claims priority to and benefits of Chinese PatentApplication Serial No. 201610003337.7, Chinese Patent Application SerialNo. 201620005746.6, and Chinese Patent Application Serial No.201620005909.0, filed with the State Intellectual Property Office of P.R. China on Jan. 4, 2016. The entire content of each of theabove-identified applications is incorporated herein by reference.

FIELD

The present disclosure relates to a technical field of a vacuum cleaner,and more particularly to a ground brush for a vacuum cleaner and avacuum cleaner with the same.

BACKGROUND

In the related art, when a brushroll of a present vacuum cleaner needsto be cleaned or replaced, the brushroll needs to be taken out or put infrom a bottom of a ground brush, that is the ground brush needs to beturned over first, and then the brushroll can be cleaned or replaced,which is tedious in operation and inconvenient in usage. Furthermore,the brushroll is still working when a brushroll cover is opened, whichmay injure a user accidentally.

SUMMARY

The present disclosure seeks to solve at least one of the problemsexisting in the related art to at least some extent. An objective of thepresent disclosure is to provide a ground brush for a vacuum cleaner, inwhich the brushroll is convenient to clean or replace.

Another objective of the present disclosure is to provide a vacuumcleaner with the above ground brush.

The ground brush for a vacuum cleaner according to a first aspect of thepresent disclosure includes: a ground brush body provided with amounting groove, in which the mounting groove has an upper opening and alower opening in communication with each other; a brushroll rotatablymounted in the mounting groove; and a brushroll cover covering thebrushroll, in which the brushroll cover has a first end inserted in theground brush body and a second end snapped into the ground brush body.

According to the ground brush for the vacuum cleaner, the ground brushbody is provided with the mounting groove, and the mounting groove hasthe upper opening and the lower opening in communication with eachother. The brushroll is rotatably mounted in the mounting groove, andthe brushroll can clean a carpet through the lower opening of themounting groove, thus accomplishing a normal cleaning function of thebrushroll. When the brushroll needs to be cleaned or replaced, first thesecond end of the brushroll cover needs to be separated from the snapconnection with the ground brush body, then the first end of thebrushroll cover needs to be pulled out from the ground brush body, andthereby the brushroll can be taken out from the upper opening of themounting groove, i.e. the brushroll can be cleaned or replacedconveniently, which involves simple operations and is easy to use withless time and less effort. In such a way, a problem that the brushrollin the related art may be replaced only by turning over the groundbrush, thereby resulting in tedious operation and inconvenient usage,can be solved to improve user experience.

According to an embodiment of the present, one of a bottom wall surfaceof the first end of the brushroll cover and the ground brush body isprovided with at least one protrusion, the other one of the bottom wallsurface of the first end of the brushroll cover and the ground brushbody is provided with at least one groove, and the protrusion can beinserted in or pulled out from the groove.

According to an embodiment of the present, a plurality of theprotrusions and a plurality of the grooves are provided respectively,and the plurality of the protrusions and the plurality of the groovesare arranged in one-to-one correspondence.

According to an embodiment of the present, the second end of thebrushroll cover has an outside wall which is provided with a snapgroove, the ground brush body is provided with a snap fitted with thesnap groove, and the snap has a first end protruding out of a side wallof the mounting groove and snapped into the snap groove.

According to an embodiment of the present, the ground brush body has anupper end face which is provided with a mounting hole, and a release keyis mounted in the mounting hole; and the mounting hole has a first sidewall which is provided with a communicating hole running through theside wall of the mounting groove, the snap has a second end connectedwith a lower end of the release key, and the release key can be pushedto drive the snap to move in the communicating hole to approach or leavethe side wall of the mounting groove.

According to an embodiment of the present, an elastic member issupported between a second side wall of the mounting hole opposite thecommunicating hole and the release key, and the elastic member normallypushes the release key to approach the side wall of the mounting groove,such that the first end of the snap protrudes out of the side wall ofthe mounting groove.

According to an embodiment of the present, the second end of thebrushroll cover has an outside wall which is provided with a snap, theground brush body is provided with a snap groove fitted with the snap,and the snap is configured to be snapped into the snap groove.

According to an embodiment of the present, the brushroll cover isprovided with a triggering part, the ground brush body is provided witha microswitch; the triggering part triggers the microswitch to turn onthe control circuit coupled with the brushroll when the brushroll coveris closed on the ground brush body, and the triggering part releases atrigger action on the microswitch to turn off the control circuit whenthe brushroll cover is opened.

According to an embodiment of the present, when the brushroll cover isclosed on the ground brush body, the triggering part directly contactsand triggers the microswitch.

According to an embodiment of the present, the microswitch includes: afixing member fixed to the ground brush body and coupled with thecontrol circuit; a resilient member disposed on the fixing member; and abutton disposed on the fixing member and located between the resilientmember and the fixing member, in which the triggering part can turn onthe control circuit if the resilient member presses the button, and whenthe triggering part is separated from the resilient member, the buttonreturns to turn off the control circuit.

According to an embodiment of the present, the ground brush furtherincludes: a driving member disposed on the ground brush body andcooperating with the microswitch, in which when the brushroll cover isclosed on the ground brush body, the triggering part triggers thedriving member and contacts the microswitch indirectly through thedriving member.

The vacuum cleaner according to a second aspect of the presentdisclosure includes the ground brush of the first aspect of the presentdisclosure.

Additional aspects and advantages of embodiments of present disclosurewill be given in part in the following descriptions, become apparent inpart from the following descriptions, or be learned from the practice ofthe embodiments of the present disclosure.

BRIEF DESCRIPTION OF THE DRAWINGS

These and/or other aspects and advantages of the present disclosure willbecome apparent and more readily appreciated from the followingdescriptions of embodiments made with reference to the drawings, inwhich:

FIG. 1 is a perspective schematic view of a ground brush for a vacuumcleaner according to an embodiment of the present disclosure;

FIG. 2 is an enlarged view of part A′ in FIG. 1;

FIG. 3 is a schematic view of a ground brush for a vacuum cleaneraccording to an embodiment of the present disclosure, in which abrushroll cover is opened;

FIG. 4 is an enlarged view of part A circled in FIG. 3;

FIG. 5 is a schematic view of the ground brush for the vacuum cleanershown in FIG. 3, in which the brushroll cover is closed;

FIG. 6 is an enlarged view of part B circled in FIG. 5;

REFERENCE NUMERALS

1 ground brush; 10 ground brush body; 11 mounting groove; 12 groove; 13snap; 14 mounting hole; 15 release key; 16 communicating hole; 31protrusion; 20 brushroll cover; 201 cover body; 202 rotating shaft; 203triggering part; 30 brushroll assembly; 301 brushroll; 40 microswitch;401 fixing member; 402 resilient member; 4021 fixing part; 4022resilient part; 403 button.

DETAILED DESCRIPTION

Reference will be made in detail to embodiments of the presentdisclosure. Examples of the embodiments are shown in the drawings. Thesame or similar elements and the elements having same or similarfunctions are denoted by like reference numerals throughout thedescriptions. The embodiments described herein with reference todrawings are explanatory, illustrative, and used to generally understandthe present disclosure. The embodiments shall not be construed to limitthe present disclosure.

In the specification, it is to be understood that terms such as“central,” “upper,” “lower,” “front,” “rear,” “left,” “right,”“vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer” shouldbe construed to refer to the orientation as then described or as shownin the drawings under discussion. These relative terms are forconvenience of description and do not require that the present inventionbe constructed or operated in a particular orientation.

In addition, terms such as “first” and “second” are used herein forpurposes of description and are not intended to indicate or implyrelative importance or significance or to imply the number of indicatedtechnical features. Thus, the feature defined with “first” and “second”may comprise one or more of this feature. In the description of thepresent invention, “a plurality of” means two or more than two, unlessspecified otherwise.

In the following, a ground brush 1 for a vacuum cleaner (not shown inthe drawings) according to embodiments of a first aspect of the presentdisclosure will be described with reference to FIG. 1 to FIG. 6.

As shown in FIG. 1 and FIG. 2, the ground brush 1 according to anembodiment of the first aspect of the present disclosure includes aground brush body 10, a brushroll 301 and a brushroll cover 20.

The ground brush body 10 is provided with a mounting groove 11, and themounting groove 11 has an upper opening and a lower opening incommunication with each other. The brushroll 301 is rotatably mounted inthe mounting groove 11. The brushroll cover 20 covers the brushroll 301,and the brushroll cover 20 has a first end inserted in the ground brushbody 10 and a second end snapped in the ground brush body 10.

For the ground brush 1 according to the embodiment of the presentdisclosure, the ground brush body 10 is provided with the mountinggroove 11, the mounting groove 11 has the upper opening and the loweropening in communication with each other, and the brushroll 301 isrotatably mounted in the mounting groove 11, such that the brushroll 301can clean a carpet through the lower opening of the mounting groove 11,thus accomplishing a normal cleaning function of the brushroll 301. Whenthe brushroll 301 needs to be cleaned or replaced, first the second endof the brushroll cover 20 needs to be separated from a snap connectionwith the ground brush body 10, then the first end of the brushroll cover20 needs to be pulled out from the ground brush body 10, and thereby thebrushroll 301 can be taken out from the upper opening of the mountinggroove 11, i.e. the brushroll 301 can be cleaned or replacedconveniently, which involves simple operations and is easy to use withless time and less effort. In such a way, a problem that the brushroll301 in the related art may be replaced only by turning over the groundbrush 1, thereby resulting in tedious operation and inconvenient usage,can be solved to improve user experience.

In some embodiments of the present disclosure, one of a bottom wallsurface of the first end of the brushroll cover and the ground brushbody is provided with at least one protrusion, the other one of thebottom wall surface of the first end of the brushroll cover and theground brush body is provided with at least one groove, and theprotrusion can be inserted in or pulled out from the groove.

Specifically, as shown in FIG. 1, the bottom wall surface of the firstend of the brushroll cover 20 is provided with the protrusion 31, theground brush body is provided with the groove 12, and the protrusion 31can be inserted in or pulled out from the groove 12.

In the above embodiment, when the brushroll cover 20 needs to be closed,the protrusion 31 on the first end of the brushroll cover 20 can beinserted in the groove first to limit the brushroll cover 20 in acircumferential direction, and the second end of the brushroll cover 20is snapped to the ground brush body 10 to mount the brushroll cover 20on the ground brush body 10. When the brushroll 301 needs to be takenout, the snap connection between the second end of the brushroll cover20 and the ground brush body 10 is removed, the protrusion 31 on thefirst end of the brushroll cover 20 can be pulled out from the groove12, the brushroll cover 20 can be taken down, and the ground brush 1 canbe taken out, which is easy and convenient.

Preferably, a plurality of the protrusions and a plurality of thegrooves are provided, and the plurality of the protrusions and theplurality of the grooves are arranged in one-to-one correspondence. Asshown in FIG. 1, the first end of the brushroll cover 20 is providedwith the plurality of the protrusions 31, and the ground brush body 10is provided with the plurality of the grooves 12, in which the pluralityof the protrusions 31 and the plurality of the grooves 12 are arrangedin one-to-one correspondence.

In the above embodiment, the plurality of the protrusions 31 and theplurality of the grooves 12 are provided, which can raise firmness offixation between the brushroll cover 20 and the ground brush body 10,make the second end of the brushroll cover 20 snapped into the groundbrush body 10 conveniently, raise force balance applied on the brushrollcover 20, and further facilitate an operation of the snap connectionbetween the brushroll cover 20 and the ground brush body 10.

Certainly, the present disclosure is not limited thereby. The bottomwall surface of the first end of the brushroll cover 20 can also beprovided with the groove 12, the ground brush body 10 is provided withthe protrusion 31 fitted with the groove 12, and the protrusion 31 canbe inserted in or pulled out from the groove 12.

In the above embodiment, the first end of the brushroll cover 20 isprovided with the groove 12, and the ground brush body 10 is providedwith the protrusion 31, which can also accomplish that the brushrollcover 20 is taken out from and mounted on the ground brush body 10, suchthat the ground brush 1 can be taken out and mounted easily andpractically.

In an embodiment of the present disclosure, as shown in FIG. 1 and FIG.2, the second end of the brushroll cover 20 has an outside wall which isprovided with a snap groove, the ground brush body 10 is provided with asnap 13 fitted with the snap groove, and the snap 13 has a first endprotruding out of a side wall of the mounting groove 11 and snapped intothe snap groove.

Preferably, as shown in FIG. 1 and FIG. 2, the ground brush body 10 hasan upper end face provided with a mounting hole 14, in which a releasekey 15 is mounted; the mounting hole 14 has a first side wall which isprovided with a communicating hole 16 running through the side wall ofthe mounting groove 11, the snap 13 has a second end connected with alower end of the release key 15, and the release key 15 can be pushed todrive the snap 13 to move in the communicating hole 16 to approach orleave the side wall of the mounting groove 11.

Further, as shown in FIG. 1 and FIG. 2, an elastic member is supportedbetween a second side wall of the mounting hole 14 opposite thecommunicating hole 16 and the release key 15, and the elastic membernormally pushes the release key 15 to approach the side wall of themounting groove 11, such that the first end of the snap 13 protrudes outof the side wall of the mounting groove 11.

In the above embodiment, a fixation provided between the second end ofthe brushroll cover 20 and the ground brush body 10 is configured to bethe snap connection by means of the snap 13 and the snap groove, so thefixation between the brushroll cover 20 and the ground brush body 10 isfirm and reliable. The release key 15 is fitted with the elastic member,such that when the brushroll cover 20 needs to be closed, the brushrollcover 20 can push the first end of the snap 13 to retract into thecommunicating hole 16 and press the elastic member, and then the elasticmember stores elastic potential energy; after the brushroll cover 20 isclosed in place, the snap groove is just located at a positioncorresponding to the snap 13 and at the same time, the elastic memberreleases the elastic potential energy to push the first end of the snap13 to protrude out of the side wall of the mounting groove 11 and besnapped into the snap groove, so as to realize the firm fixation betweenthe brushroll cover 20 and the ground brush body 10; and when thebrushroll cover 20 needs to be opened, the release key 15 is pushed byhand to drive the snap 13 to leave the side wall of the mounting groove11, such that the first end of the snap 13 retracts into thecommunicating hole 16, at the same time, the snap 13 is separated fromthe snap connection with the snap groove, and a force applied to theground brush body 10 by the second end of the brushroll cover isremoved, in which case the brushroll cover 20 can be pulled out from theground brush body 10. At the same time, the first end of the snap 13protrudes out from the side wall of the mounting groove 11 again underan elastic action of the elastic member, and the brushroll cover 20 canbe opened and closed by such cycle, which is simple in structure,convenient in operation, easy and practicable.

In another embodiment of the present disclosure, the outside wall of thesecond end of the brushroll cover 20 is provided with the snap 13, theground brush body 10 is provided with the snap groove fitted with thesnap 13, and the snap 13 can be snapped into the snap groove.

In the above embodiment, the brushroll cover 20 is provided with thesnap 13, and the ground brush body 10 is provided with the snap groovecorrespondingly. The second end of the brushroll cover 20 can also befixedly or detachably connected with the ground brush body 10 through afit between the snap 13 and the snap groove, such that the brushrollcover 20 can be conveniently opened or closed, which will not bedescribed in detail herein.

In an embodiment of the present disclosure, the ground brush body 10 isprovided with a driving assembly connected with the brushroll 301, andthe driving assembly can drive the brushroll to rotate relative to theground brush body 10.

As shown in FIG. 3 to FIG. 6, the brushroll cover 20 is provided with atriggering part 203, and the ground brush body 10 is provided with amicroswitch 40. The triggering part 203 triggers the microswitch 40 toturn on a control circuit coupled with the brushroll when the brushrollcover 20 is closed on the ground brush body 10, and the triggering part203 releases a trigger action on the microswitch 40 to turn off thecontrol circuit when the brushroll cover 20 is opened.

With reference to FIG. 3 and FIG. 5, the brushroll cover 20 is disposedon the ground brush body 10 in such a manner that the brushroll cover 20can be opened and closed. The brushroll cover 20 and the ground brushbody 10 define a mounting space therebetween, that is, the brushrollcover 20 can be closed on the ground brush body 10 and form the mountingspace through cooperation with the ground brush body 10. The brushrollassembly is disposed in the mounting space and provided with the controlcircuit. The brushroll cover is provided with the triggering part 203configured to cooperate with the microswitch 40.

The microswitch 40 is disposed on the ground brush body 10, electricallyconnected with the control circuit of the brushroll assembly, andconfigured to control the control circuit to be turned on or turned off.The microswitch 40 is disposed on the ground brush body 10, and thetriggering part 203 triggers the microswitch 40 to turn on the controlcircuit when the brushroll cover 20 is closed on the ground brush body10, and the triggering part 203 releases the trigger action on themicroswitch 40 to turn off the control circuit when the brushroll cover20 is opened.

The triggering part 203 is disposed on the brushroll cover 20 andcooperates with the microswitch 40. When the brushroll cover 20 isclosed, the triggering part 203 can trigger the microswitch 40 directlyor indirectly to make the brushroll 301 work normally, and when thebrushroll cover 20 is opened, the triggering part 203 can release thetrigger action on the microswitch 40 to make the brushroll 301 stopworking, thus avoiding accidental injury to a user caused by thebrushroll 301 if the user opens the brushroll cover 20 by mistake, andimproving safety and market competitiveness of the product.

Specifically, the overall brushroll cover 20 can be rotatably connectedwith the ground brush body 10, and be closed or opened through turnover;or the brushroll cover 20 and the ground brush body 10 can be connectedin a snapping manner or an inserting manner, that is the brushroll cover20 can be closed or opened through mounting or dismounting—the overallbrushroll cover 20 can be closed on the ground brush body 10, orseparate from the ground brush body 10 to be opened.

In some embodiments of the present disclosure, as shown in FIG. 3 andFIG. 5, the brushroll cover 20 includes a cover body 201 and aconnecting part. The cover body 201 cooperates with the ground brushbody 10 to form the mounting space, and the connecting part is connectedbetween the cover body 201 and the ground brush body 10 to make thecover body 201 connected to the ground brush body 10. The triggeringpart 203 is disposed on any one of the cover body 201 and the connectingpart, that is, the triggering part 203 may be disposed on the cover body201 or disposed on the connecting part.

In the above embodiments, the brushroll cover 20 includes the cover body201 and the connecting part, and the cover body 201 cooperates with theground brush body 10 to form the mounting space to cover the brushroll301, thus avoiding injury to the user when the brushroll 301 works, andimproving safety of the ground brush 1. The brushroll assembly locatedin the mounting space may be mounted on the cover body 201 or mounted onthe ground brush body 10, and preferably, the brushroll assembly ismounted on the ground brush body 10, which is simpler in structure andmore convenient to assemble. The connecting part is connected with thecover body 201 and cooperates with the ground brush body 10, and theconnecting part is configured to fix the cover body 201 to the groundbrush body 10, thus preventing the brushroll cover 20 from separatingfrom the ground brush body 10 and further improving the safety of theground brush 1.

In some embodiments of the present disclosure, as shown in FIG. 3 toFIG. 6, the connecting part includes a rotating shaft 202, the coverbody 201 is rotatingly closed on the ground brush body 10 through therotating shaft 202, the triggering part 203 is disposed on the rotatingshaft 202, and the rotating shaft 202 rotates to make the triggeringpart 203 trigger the microswitch 40 when the cover body 201 is closed.

In the embodiments, as to a scheme that the brushroll cover 20 is closedon and connected with the ground brush body 10 in a rotating manner,when the brushroll cover 20 is closed on and connected with the groundbrush body 10 through rotation of the rotating shaft 202, the triggeringpart 203 is disposed on the rotating shaft 202. In this way, when thecover body is rotated to be closed, the triggering part 203 also rotatesalong with the rotating shaft 202 until the cover body 201 is fullyclosed on the ground brush body 10, and the triggering part 203 alsorotates exactly to a position corresponding to the microswitch 40 andtriggers the microswitch 40, to turn on the control circuit of thebrushroll assembly, thus guaranteeing that the vacuum cleaner can worknormally. When the cover body 201 is rotated to be opened, thetriggering part 203 also rotates to separate from the microswitch 40, toturn off the control circuit of the brushroll assembly timely, and thebrushroll 301 stops working immediately, thus avoiding accidental injuryto the user caused by the brushroll 301 and improving the safety of theground brush 1.

In some other embodiments of the present disclosure, the connecting partincludes the rotating shaft 202, the cover body 201 is closed on theground brush body 10 through rotation of the rotating shaft 202, thetriggering part 203 is disposed on the cover body 201, and thetriggering part 203 triggers the microswitch 40 when the cover body 201is closed.

In the embodiments, the connecting part includes the rotating shaft 202,that is the brushroll cover 20 is closed on and connected with theground brush body in a rotating manner; the triggering part 203 locatedat the cover body 201 will rotate along with the cover body 201 untilthe cover body 201 is fully closed on the ground brush body 10, and thetriggering part 203 rotates exactly to a position corresponding to themicroswitch 40 and triggers the microswitch 40 to turn on the controlcircuit of the brushroll assembly, thus guaranteeing that the vacuumcleaner can work normally. When the cover body 201 is rotated to beopened, the triggering part 203 also rotates to separate from themicroswitch 40, to turn off the control circuit of the brushrollassembly timely, and the brushroll 301 stops working immediately, thusavoiding accidental injury to the user caused by the brushroll 301 andimproving the safety of the ground brush 1.

In some more embodiments of the present disclosure, the connecting partincludes at least one of a snapping member and an inserting member,through which the brushroll cover 20 is connected to the ground brushbody 10, and the triggering part 203 is disposed on the cover body 201.

In the embodiments, the connecting part includes the snapping memberand/or the inserting member, that is, the brushroll cover 20 is closedon and connected with the ground brush body 10 in a snapping manner oran inserting manner. Only when the cover body 201 is closed on theground brush body 10, can the triggering part 203 located at the coverbody 201 trigger the microswitch 40, to turn on the control circuit ofthe brushroll assembly, such that the vacuum cleaner can work normally.When the cover body 201 is separated from the ground brush body 10, thetriggering part 203 is separated from the microswitch 40, such that themicroswitch 40 returns to turn off the control circuit of the brushrollassembly timely, and the brushroll 301 stops working immediately, thusavoiding accidental injury to the user caused by the brushroll 301 andimproving the safety of the ground brush 1.

In some embodiments of the present disclosure, as shown in FIG. 5 andFIG. 6, when the brushroll cover 20 is closed on the ground brush body10, the triggering part 203 directly contacts and triggers themicroswitch 40.

Further, as shown in FIG. 4 and FIG. 6, the microswitch 40 includes afixing member 401, a resilient member 402 and a button 403.Specifically, the fixing member 401 is fixed to the ground brush body 10and coupled with the control circuit, the resilient member 402 isdisposed on the fixing member 401, the button 403 is disposed on thefixing member 401, and the button 403 is located between the resilientmember 402 and the fixing member 401. The triggering part 203 can turnon the control circuit if the resilient member 402 presses the button403, and when the triggering part 203 is separated from the resilientmember 402, the button 403 returns to turn off the control circuit.

Furthermore, the resilient member 402 may be rotatably disposed on thefixing member 401, when the brushroll cover 20 is closed, the triggeringpart 203 triggers the resilient member 402, such that the resilientmember 402 rotates relative to the fixing member 401 and presses thebutton 403, to turn on the control circuit and enable the brushrollassembly to work normally. When the brushroll cover 20 is opened, thetriggering part 203 is separated from the resilient member 402, theresilient member 402 returns to remove a pressure on the button 403,such that the button 403 returns automatically to turn off the controlcircuit, and the brushroll assembly stops working immediately, thusavoiding accidental injury to the user. Certainly, the presentdisclosure is not limited thereby; as shown in FIG. 2 and FIG. 4, theresilient member 402 may include a fixing part 4021 and a resilient part4022. Specifically, the fixing part 4021 has a first end fixed to thefixing member 401, the resilient part 4022 has a first end connectedwith a second end of the fixing part 4021, and the resilient part 4022has a second end extending to the button 403. Preferably, as shown inFIG. 2 and FIG. 4, the button 403 is close to a first end of theresilient part 4022.

Optionally, as shown in FIG. 4 and FIG. 6, the resilient member 402 isconfigured as an L-shaped resilient sheet.

In the above embodiments, the microswitch 40 includes the fixing member401, the resilient member 402 and the button 403, and the fixing member401 is coupled with the control circuit of the brushroll assembly. Thebutton 403 can turn on or turn off the control circuit, the controlcircuit is turned off at a natural state; when the button 403 ispressed, the control circuit is turned on; and when the pressure isremoved, the button returns automatically. The resilient member 402 isconfigured to press the button 403. Specifically, when the brushrollcover 20 is closed, the triggering part 203 applies the pressure on theresilient member 402, and the resilient member 402 deforms resilientlyto press the button 403, so as to turn on the control circuit and enablethe brushroll assembly to work normally. When the brushroll cover 20 isopened, the triggering part 203 is separated from the resilient member402, the resilient member 402 returns to remove the pressure on thebutton 403, so the button 403 returns automatically to turn off thecontrol circuit, and the brushroll assembly stops working, thus avoidingaccidental injury to the user.

Certainly, those skilled in the art should understand that themicroswitch 40 is not limited to the above structure, and it may beconfigured as a small button 403 or other structures, as long as havinga function of the microswitch 40, so those technical schemes are withinthe scope of the present disclosure.

The resilient member 402 includes the fixing part 4021 and the resilientpart 4022, the fixing part 4021 can fix the resilient member 402 to thefixing member 401, thus avoiding displacement of the resilient member402 and guaranteeing usage reliability of the microswitch 40. Theresilient part 4022 is resilient and can deform resiliently to apply apressing force on the button 403, such that the button 403 can turn onthe control circuit. A distance between the resilient member 4022 and asurface of the fixing part 402 is no less than a height of the button403 at the natural state, thus guaranteeing that the button 403 islocated between the resilient member 402 and the fixing member 401.

The button 403 is disposed close to the first end of the resilient part4022 connected with the fixing part 4021, and a second end of theresilient part 4022 is relatively far away from the button 403. As tothe scheme that the brushroll cover 20 is rotatingly closed, only whenthe brushroll cover 20 is fully closed on the ground brush body 10, canthe resilient part 4022 press the button 403 to a position where thecontrol circuit is turned on. In the process of rotatingly closing thebrushroll cover 20, the button 403 cannot turn on the control circuit,thus avoiding that the brushroll starts working when the brushroll cover20 is not fully closed, and further improving the safety of the product.

In other embodiments of the present disclosure, the ground brush 1further includes a driving member which is disposed on the ground brushbody 10 and cooperates with the microswitch 40. When the brushroll cover20 is closed on the ground brush body 10, the triggering part 203triggers the driving member and triggers the microswitch 40 indirectlythrough the driving member.

In the above embodiments, the triggering part 203 triggers themicroswitch 40 through the driving member, that is when the brushrollcover 20 is closed on the ground brush body 10, the microswitch 40 isnot directly but indirectly triggered, which can also accomplish theobjective of the present disclosure. Specifically, when the brushrollcover 20 is closed, the triggering part 203 triggers the driving memberto apply an acting force on the driving member, such that the drivingmember moves to trigger the microswitch 40, so as to turn on the controlcircuit. When the brushroll cover 20 is opened, the triggering part 203is separated from the driving member, the acting force applied on thedriving member is removed, so an acting force on the microswitch 40applied by the driving member is removed, the microswitch 40 returns toturn off the control circuit.

A vacuum cleaner according to an embodiment of a second aspect of thepresent disclosure includes the ground brush 1 according to theembodiments of the first aspect of the present disclosure.

To sum up, in the ground brush provided by the embodiments of thepresent disclosure, the ground brush body 10 is provided with themounting groove 11, and the mounting groove 11 has the upper opening andthe lower opening in communication with each other. The brushroll isrotatably mounted in the mounting groove 11, and the brushroll 301 canclean a carpet through the lower opening of the mounting groove 11, thusaccomplishing a normal cleaning function of the brushroll. When thebrushroll needs to be cleaned or replaced, first the second end of thebrushroll cover 20 needs to be separated from the snap connection withthe ground brush body 10, then the first end of the brushroll cover 20needs to be pulled out from the ground brush body 10, and thereby thebrushroll can be taken out from the upper opening of the mounting groove11, i.e. the brushroll 301 can be cleaned or replaced conveniently,which involves simple operations and is easy to use with less time andless effort. In such a way, a problem that the brushroll 301 in therelated art may be replaced only by turning over the ground brush 1,thereby resulting in tedious operation and inconvenient usage, can besolved to improve user experience.

Furthermore, when the brushroll cover 20 is closed, the triggering part203 may trigger the microswitch 40 directly or indirectly, to turn onthe control circuit of the brushroll assembly, and a driving componentdrives the brushroll 301 to rotate, such that the vacuum cleaner worksnormally. When the brushroll cover 20 is opened, the triggering part 203can release a trigger action thereof, the microswitch 40 returns to turnoff the control circuit of the brushroll assembly, the driving componentstops working, to make the brushroll 301 stop rotating, thus avoidinginjury to the user.

It is should be noted that those skilled in the art should understandthat the triggering part 203 may be configured as a componentindividually disposed on the brushroll cover 20 or a part of thebrushroll cover 20, both of which can accomplish the function of themicroswitch 40 and fall into the scope of the present disclosure.

As the vacuum cleaner according to the embodiments of the presentdisclosure is provided with the ground brush 1 according to theembodiments of the first aspect, the vacuum cleaner has high safety andwill not injure the user if the user opens the brushroll cover 20 bymistake.

To sum up, in the ground brush 1 provided by the present disclosure, thebrushroll cover 20 is provided with the triggering part 203, and thetriggering part 203 cooperates with the microswitch 40. When thebrushroll cover 20 is closed, the triggering part 203 can trigger themicroswitch 40 directly or indirectly to make the brushroll 301 worknormally; and when the brushroll cover 20 is opened, the triggering part203 can release the trigger action on the microswitch 40 to make thebrushroll stop working, thus avoiding accidental injury to the user ifthe user opens the brushroll cover 20 by mistake, and improving safetyand market competitiveness of the product.

Specifically, as to a present vacuum cleaner, a brushroll is stillworking when a brushroll cover is opened, which may injure the useraccidentally. However, as to the ground brush 1 provided by the presentdisclosure, the brushroll stops working when the brushroll cover 20 isopened, thus avoiding injury to the user, and improving the safety andthe market competitiveness of the product. Specifically, when thebrushroll cover 20 is closed, the triggering part 203 can trigger themicroswitch 40 directly or indirectly to turn on the control circuit ofthe brushroll assembly, and the driving component drives the brushroll301 to rotate, such that the vacuum cleaner works normally; when thebrushroll cover 20 is opened, the triggering part 203 can release thetrigger action thereof, the microswitch 40 returns to turn off thecontrol circuit of the brushroll assembly, and the driving componentstops working to make the brushroll stop rotating, thus avoiding injuryto the user.

Reference throughout this specification to “an embodiment,” “someembodiments,” “an example,” “specific examples” or “some examples” meansthat a particular feature, structure, material, or characteristicdescribed in connection with the embodiment or example is included in atleast one embodiment or example of the present invention. Thus, theappearances of the above phrases throughout this specification are notnecessarily referring to the same embodiment or example of the presentinvention. Furthermore, the particular features, structures, materials,or characteristics may be combined in any suitable manner in one or moreembodiments or examples.

Those skilled in the art can integrate and combine different embodimentsor examples and the features in different embodiments or examples in thespecification.

Although embodiments of the present invention have been shown andillustrated, it shall be understood by those skilled in the art thatvarious changes, modifications, alternatives and variants withoutdeparting from the principle and spirit of the present invention areacceptable. The scope of the present invention is defined by the claimsor the like.

What is claimed is:
 1. A ground brush for a vacuum cleaner, comprising:a ground brush body provided with a mounting groove, wherein themounting groove has an upper opening and a lower opening incommunication with each other; a brushroll rotatably mounted in themounting groove; and a brushroll cover covering the brushroll, whereinthe brushroll cover has a first end inserted in the ground brush bodyand a second end snapped into the ground brush body.
 2. The ground brushaccording to claim 1, wherein one of a bottom wall surface of the firstend of the brushroll cover and the ground brush body is provided with atleast one protrusion, the other one of the bottom wall surface of thefirst end of the brushroll cover and the ground brush body is providedwith at least one groove, and the protrusion can be inserted in orpulled out from the groove.
 3. The ground brush according to claim 2,wherein a plurality of the protrusions and a plurality of the groovesare provided, and the plurality of the protrusions and the plurality ofthe grooves are arranged in one-to-one correspondence.
 4. The groundbrush according to claim 1, wherein the second end of the brushrollcover has an outside wall which is provided with a snap groove, theground brush body is provided with a snap fitted with the snap groove,and the snap has a first end protruding out of a side wall of themounting groove and snapped into the snap groove.
 5. The ground brushaccording to claim 4, wherein the ground brush body has an upper endface which is provided with a mounting hole, and a release key ismounted in the mounting hole; and the mounting hole has a first sidewall which is provided with a communicating hole running through theside wall of the mounting groove, the snap has a second end connectedwith a lower end of the release key, and the release key can be pushedto drive the snap to move in the communicating hole to approach or leavethe side wall of the mounting groove.
 6. The ground brush according toany one of claim 5, wherein an elastic member is supported between asecond side wall of the mounting hole opposite the communicating holeand the release key, and the elastic member normally pushes the releasekey to approach the side wall of the mounting groove, such that thefirst end of the snap protrudes out of the side wall of the mountinggroove.
 7. The ground brush according to claim 1, wherein the second endof the brushroll cover has an outside wall which is provided with asnap, the ground brush body is provided with a snap groove fitted withthe snap, and the snap is configured to be snapped into the snap groove.8. The ground brush according to claim 1, wherein the brushroll cover isprovided with a triggering part, and the ground brush body is providedwith a microswitch; the triggering part triggers the microswitch to turnon a control circuit coupled with the brushroll when the brushroll coveris closed on the ground brush body, and the triggering part releases atrigger action on the microswitch to turn off the control circuit whenthe brushroll cover is opened.
 9. The ground brush according to claim 8,wherein when the brushroll cover is closed on the ground brush body, andthe triggering part directly contacts and triggers the microswitch. 10.The ground brush according to claim 8, wherein the microswitchcomprises: a fixing member fixed to the ground brush body and coupledwith the control circuit; a resilient member disposed on the fixingmember; and a button disposed on the fixing member and located betweenthe resilient member and the fixing member, wherein the triggering partcan turn on the control circuit if the resilient member presses thebutton, and when the triggering part is separated from the resilientmember, the button returns to turn off the control circuit.
 11. Theground brush according to claim 8, further comprising: a driving memberdisposed on the ground brush body and cooperating with the microswitch,wherein when the brushroll cover is closed on the ground brush body, thetriggering part triggers the driving member and triggers the microswitchindirectly through the driving member.
 12. A vacuum cleaner comprisingthe ground brush according to claim 1.